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Medical Term:

β-adrenergic blocking agent


a class of drugs that competes with β-adrenergic agonists for available receptor sites; some compete for both β1 and β2 receptors (propranolol) whereas others are primarily either β1 (metoprolol) or β2 blockers; used in the treatment of a variety of cardiovascular diseases for which β-adrenergic blockade is desirable.

Synonym(s): β-adrenergic receptor blocking agent, β-adrenoreceptor antagonist, beta-blocker

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.